Cleaning up steel structure coating process technology improvement

In the steel production process, cleaning painting is extremely important.

Because of the objective existence of steel structure of large tonnage, large size characteristics, different in machinery industry.Product production process to how safe, is the premise of quality assurance, and create a green environment, clean and comfortable working environment, efficient, civilized operation, is always to perplex our problem.In order to meet the business development needs, after a long time of gestation, a comprehensive and multifaceted external information resources, integration and upgrade existing equipment, new energy saving and environmental protection, has self characteristics of new multifunctional steel structure assembly workshop, set steel, steel plate, steel cleaning rust, special-shaped structure of sandblasting, painting in one, fill the previous vacancy, overall train of thought of as follows:

1 pipe blasting cleaning

Shot blast cleaning machine has been cast in great quantities used in steel structure, machinery industry, for the processing of steel structure steel, steel, steel and other raw materials or shape and size can be designed in different sizes, the number of polishing head device.Aiming at the bar, pipe truss special production requirements, double spiral roller steel shot blasting machine workpiece input output design for tapered roller, roller is arranged at different position and polishing head, to achieve all-round shot blasting chamber.The walking motor speed, wide range of speed, can adapt to different specifications of the workpiece processing requirements, the outer wall of the steel tube cleaning disposable derusting grade reaches Sa2.5 - Sa3, changed the traditional primitive blasting process, with a high degree of automation, energy saving and environmental protection, the safe operation of the advantages, greatly improves the cleaning work efficiency, leading in the peer level, has been completed a large number of network engineering production, still play an irreplaceable important role.In the latest technological transformation, we on the original rotary blow back type dust removing system transformation, instead of the simple and practical space occupancy, low bag dust collector, water tank filter to form replaced stack emission.Compared with the common cartridge type dust collector, reducing the investment and running cost, through calculation and ensure the filtering area, to meet air processing requirements, simplifying the electrical control system, the operation is more convenient.The new steel structure assembly workshop the equipment moves recombination, unified classified management, make the equipment efficiency gets more sufficient play.

2 plate blasting cleaning

Steel shot blasting machine is the processing plate size requirements, design of different specifications, polishing head number of special steel plate processing equipment, which is characterized in the chamber body below the projection angle radiation surface design.With the business development, we relate more elevated bridges and other special-shaped structure processing, steel making greater use of steel plate pretreatment processing mode, if the general steel shot blasting machine processing, needs to produce a special bracket, the two loading and unloading turnover, heavy work efficiency is low, and the electricity consumption.Special steel shot blasting machine, Menfu to 3 meters, suitable for most sheet metal processing capacity range.Loading and unloading the input output table, disposable easily complete the steel shot blasting, the output end set pill blowing device, the timeliness of clean steel.Consider the development of future needs, the equipment can be upgraded to include a full set of Shotblast derusting, painting, drying, waste gas filter system of steel pretreatment line, to save space, simplify the operation process, eliminate ground paint pollution factors, Shotblast derusting spray paint finish, shortening after rust removal of steel oxidation time, effectively compensate for artificial processing efficiency deficiency.

3 steel blasting cleaning

Steel shot blasting machine is designed and developed according to the shape of the workpiece dimensions of different specifications, polishing head number of shot blasting equipment, which is characterized in the chamber body to different setting angle parabolic head, this equipment technology is already very mature.The shot blasting machine can also process the smaller size of the workpiece, mass production can make the special bracket, so that the workpiece can be placed in the projection angle radiation range reasonable position, operation open only need polishing head, effectively reduce the vulnerability of loss and electricity consumption.For some time structure and small pieces of generic profiles processing, we equipped with a non-standard pieces of shot-blasting machine, the roller of each set of 2 parabolic head, equipment structure and steel plate machine can complete the same principle, processing, without the two turn and shot blasting, avoid unnecessary consumption.Because of the huge equipment structure, equipment below ground foundation must be waterproof, prevent future equipment in the long-term use of water seepage, unnecessary trouble.Because of the high rate of equipment utilization, the frequent replacement of wearing parts, energy consumption, use improper operation cost increase, even appearing polishing head transmission bearing damage, damage of motor, Gangwan breakdown equipment enclosures and the like, must cause enough take seriously, prevent equipment failure becomes a bottleneck in production process.The new steel structure assembly workshop 4 shot blasting equipment to plan, to integrate resources, standardize the management.Steel pill device using maximum speed can reach 70m/s, high speed splash shot on the person with danger, must guarantee the cleaning chamber protective rubber curtain intact, operating personnel wear special protective equipment.Equipment used frequently in examination room in vivo protective plate and wear resistant lining board, shot blade, directed sets and other parts wear, damage is found to stop promptly replaced, prevent processing is not seasonable caused greater losses.

4 sandblasting derusting cleaning

Technical reformation of equipment, in order to better meet the needs of large special-shaped components cleaning painting, design and construction of full closed sandblasting room, sandblasting room size is 27m × 24m × 6m, sandblasting equipment selection for high performance pressure feeding type double cylinder double gun continuous sand blasting machine, output per hour up to 40m2 (two guns), continuous operation to meet the ergonomic requirements.Premenstrual process research, absorb helps reduce cost, improve the utilization ratio of the equipment structure, form a self characteristics of the equipment configuration.In our workshop crane covered work area, set the whole of the enclosed work areas are arranged on one side, a dedicated room (including sandblasting system, dust removal system, back to the sand system and all vent lines), the other end is provided with a labyrinth air inlet.Jet noise that are arranged on both ends of the gate, and convenient vehicle.Workpiece import available dual / single road car ferry transport vehicle, can also be transported into the open roof, use of bridge crane loading and unloading transport.Sandblasting room set abrasive automatic recovery system of belt conveyor, steel through recycling, the projectile and the dust separating after repeated use, avoid unnecessary consumption of the artificial.Dust discharge through a wind pipe, composed of a dust remover treatment compliance after discharge via a dedicated channel.

The roof design, using different from general sandblasting room form (using the landing door type crane import and sandblasting room to work to achieve the loading or turn over, or not setting the blasting room lifting function, being unable to turn over the malpractice of workpiece loading and unloading operations), the research and design of movable flexible roof.P38 tracks on both sides of installing 16 walking trolley, trolley mounted on 8 pieces of truss supporting, truss supporting span 25.5 meters, cross-sectional design into the inverted triangular structure, reduce the structure weight, in order to ensure the stability of roof movement.Foldable flexible roof is fixed at one end, pulled open and close of roof.In the selection of transmission form, design engineer considering rack, chain, wire rope traction and other methods, combined with the site conditions, considering the advantages of simple structure, low failure rate, convenient maintenance and use requirements, determine the wire rope drive traction running type.

All shot blasting equipment layout, fully consider the rust, paint site turnover requirement.The processing area to ferry vehicle track on all production workshop, complete the processing after the workpiece can be easily transported to the next process.In energy saving and environmental protection philosophy thinking ahead of workshop design.All around the wall mounted louvers, to ensure that the indoor and outdoor air circulation.Calculating air processing requirements, implementation within the specified time, exchange capacity.Shop paint area setting suction inlet, to the ventilation pipe output, by a special paint waste gas treatment device for purifying (with water spray, activated carbon absorption principle processing), reach the demand of environmental protection emission standard.

Because of the objective existence of steel structure of large tonnage, large size characteristics, different in machinery industry.Product production process to how safe, is the premise of quality assurance, and create a green environment, clean and comfortable working environment, efficient, civilized operation, is always to perplex our problem.In order to meet the business development needs, after a long time of gestation, a comprehensive and multifaceted external information resources, integration and upgrade existing equipment, new energy saving and environmental protection, has self characteristics of new multifunctional steel structure assembly workshop, set steel, steel plate, steel cleaning rust, special-shaped structure of sandblasting, painting in one, fill the previous vacancy, overall train of thought of as follows:

1 pipe blasting cleaning

Shot blast cleaning machine has been cast in great quantities used in steel structure, machinery industry, for the processing of steel structure steel, steel, steel and other raw materials or shape and size can be designed in different sizes, the number of polishing head device.Aiming at the bar, pipe truss special production requirements, double spiral roller steel shot blasting machine workpiece input output design for tapered roller, roller is arranged at different position and polishing head, to achieve all-round shot blasting chamber.The walking motor speed, wide range of speed, can adapt to different specifications of the workpiece processing requirements, the outer wall of the steel tube cleaning disposable derusting grade reaches Sa2.5 - Sa3, changed the traditional primitive blasting process, with a high degree of automation, energy saving and environmental protection, the safe operation of the advantages, greatly improves the cleaning work efficiency, leading in the peer level, has been completed a large number of network engineering production, still play an irreplaceable important role.In the latest technological transformation, we on the original rotary blow back type dust removing system transformation, instead of the simple and practical space occupancy, low bag dust collector, water tank filter to form replaced stack emission.Compared with the common cartridge type dust collector, reducing the investment and running cost, through calculation and ensure the filtering area, to meet air processing requirements, simplifying the electrical control system, the operation is more convenient.The new steel structure assembly workshop the equipment moves recombination, unified classified management, make the equipment efficiency gets more sufficient play.

2 plate blasting cleaning

Steel shot blasting machine is the processing plate size requirements, design of different specifications, polishing head number of special steel plate processing equipment, which is characterized in the chamber body below the projection angle radiation surface design.With the business development, we relate more elevated bridges and other special-shaped structure processing, steel making greater use of steel plate pretreatment processing mode, if the general steel shot blasting machine processing, needs to produce a special bracket, the two loading and unloading turnover, heavy work efficiency is low, and the electricity consumption.Special steel shot blasting machine, Menfu to 3 meters, suitable for most sheet metal processing capacity range.Loading and unloading the input output table, disposable easily complete the steel shot blasting, the output end set pill blowing device, the timeliness of clean steel.Consider the development of future needs, the equipment can be upgraded to include a full set of Shotblast derusting, painting, drying, waste gas filter system of steel pretreatment line, to save space, simplify the operation process, eliminate ground paint pollution factors, Shotblast derusting spray paint finish, shortening after rust removal of steel oxidation time, effectively compensate for artificial processing efficiency deficiency.

3 steel blasting cleaning

Steel shot blasting machine is designed and developed according to the shape of the workpiece dimensions of different specifications, polishing head number of shot blasting equipment, which is characterized in the chamber body to different setting angle parabolic head, this equipment technology is already very mature.The shot blasting machine can also process the smaller size of the workpiece, mass production can make the special bracket, so that the workpiece can be placed in the projection angle radiation range reasonable position, operation open only need polishing head, effectively reduce the vulnerability of loss and electricity consumption.For some time structure and small pieces of generic profiles processing, we equipped with a non-standard pieces of shot-blasting machine, the roller of each set of 2 parabolic head, equipment structure and steel plate machine can complete the same principle, processing, without the two turn and shot blasting, avoid unnecessary consumption.Because of the huge equipment structure, equipment below ground foundation must be waterproof, prevent future equipment in the long-term use of water seepage, unnecessary trouble.Because of the high rate of equipment utilization, the frequent replacement of wearing parts, energy consumption, use improper operation cost increase, even appearing polishing head transmission bearing damage, damage of motor, Gangwan breakdown equipment enclosures and the like, must cause enough take seriously, prevent equipment failure becomes a bottleneck in production process.The new steel structure installation